Home / 187,888.08-281,831.52-47,646.36

Finding the Fourth Proportional to 187,888.08, 281,831.52 and 47,646.36

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Solution

The fourth proportional to 187,888.08, 281,831.52 and 47,646.36 is: 71,469.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,888.08 : 281,831.52 = 47,646.36 : x
  2. Step 2: Convert to fraction form
    187,888.08/281,831.52 = 47,646.36/x
  3. Step 3: Cross multiply
    187,888.08x = 281,831.52 × 47,646.36
  4. Step 4: Simplify right side
    187,888.08x = 13,428,246,061.27
  5. Step 5: Solve for x
    x = 13,428,246,061.27/187,888.08
  6. Step 6: Final answer
    x = 71,469.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.